Application Development for Yocto using Eclipse Yocto ADT

Application Development for Yocto using Eclipse Yocto ADT
there is a very good video about getting started with Application Development for Yocto using Eclipse Yocto ADT :
https://www.youtube.com/watch?v=3ZlOu-gLsh0
 
it is also available in pdf, which might be easier:
https://www.yoctoproject.org/sites/default/files/elc2013-eclipse-lab.pdf

If your Eclipse project has more than one file you may find following information useful:
It appears that the ADT project uses Autotools.  The default eclipse build target just performs a 'make all' but does not perform an autoreconf in order to rebuild the Makefiles from Makefile.am.  The Makefile.am in src looks updated, so it is just a matter of performing an autoreconf --install and rebuilding.   There is way to do this within eclipse itself (see second link).
Useful links:
·         http://aquamentus.com/autoconf_tutorial.html
·         https://wiki.eclipse.org/CDT/Autotools/User_Guide

This comes down to modifying makefile.am by adding other .c files, then right click on the project and select “Reconfigure Project”